Home / 1,330,237.40-1,992,936.90-767,600.60

Finding the Fourth Proportional to 1,330,237.40, 1,992,936.90 and 767,600.60

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Solution

The fourth proportional to 1,330,237.40, 1,992,936.90 and 767,600.60 is: 1,150,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,237.40 : 1,992,936.90 = 767,600.60 : x
  2. Step 2: Convert to fraction form
    1,330,237.40/1,992,936.90 = 767,600.60/x
  3. Step 3: Cross multiply
    1,330,237.40x = 1,992,936.90 × 767,600.60
  4. Step 4: Simplify right side
    1,330,237.40x = 1,529,779,560,202.14
  5. Step 5: Solve for x
    x = 1,529,779,560,202.14/1,330,237.40
  6. Step 6: Final answer
    x = 1,150,004.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.